Home / 64,668.48-89,246.16-43,121.04

Finding the Fourth Proportional to 64,668.48, 89,246.16 and 43,121.04

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Solution

The fourth proportional to 64,668.48, 89,246.16 and 43,121.04 is: 59,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668.48 : 89,246.16 = 43,121.04 : x
  2. Step 2: Convert to fraction form
    64,668.48/89,246.16 = 43,121.04/x
  3. Step 3: Cross multiply
    64,668.48x = 89,246.16 × 43,121.04
  4. Step 4: Simplify right side
    64,668.48x = 3,848,387,235.21
  5. Step 5: Solve for x
    x = 3,848,387,235.21/64,668.48
  6. Step 6: Final answer
    x = 59,509.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.